Dns reverse lookup zone not updating

dns reverse lookup zone not updating-72
We applied a group policy to prevent registration of these records in DNS.The reason for this: some clients were still registering records in DNS that should not be.

We applied a group policy to prevent registration of these records in DNS.The reason for this: some clients were still registering records in DNS that should not be.That means that after 3 hours, the records will vanish from DNS if the client has not renewed the lease.

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Am I missing a something that would be stopping this from populating? When I get a change to dig around on my servers today, I will give you an update.

I have a couple of ideas but I want to look cross check a few things so I don't lead you down the wrong path. Make sure it's authorized to update the DNS entries, if it's not your DC that's also doing the DHCP server work.

One of my customers was getting calls like that 8-10-20 times a day. We need to actually manage the address space properly. Before starting anything, we made sure that scavenging was not enabled on ANY of the DNS servers in the environment.

It was bad enough that they got orders to ”Fix that problem! Since this is a production network, we had to carefully do this step by step, avoiding any disruption to operations. I sent the customer info on scavenging – which covers the basics.

Time to call IT to get things cleaned up so the worker can do their job.

IT has to open up the DNS console, find all the records for that machine, figure out which is the most recent, and delete the rest.HI, Seems to be there is an issue with the reverse lookup zone , there are only Names Server type of records available for the servers, execpt that nothing is there no PTR record is there ??Zone is Active Directory Intergrated and Dynamic updates are set to SECURE ONLY.It lists the DNSCmd operation required to reset scavenging on all servers for individual zones.We enabled scavenging on one server, then turned that server’s scavenger off for the first step in the process.I have run into this issue several times: My customer has a fairly large network, with several subnets. And what if they stop at a local coffee shop on the way?They have wireless clients unplugging from Ethernet and dashing to conference rooms, then closing their laptop and heading home. And there are addresses from their home network as well. They may have an address from the coffee shop’s subnet as well. All validly registered, but only one address really works.It would be possible to apply this to all client machines, but you would still need to have the servers refreshing their host and pointer records.The first week that the final changes were applied, the customer’s calls to helpdesk for this issue were down to one per day.The customer’s VPN solution was a major brand name concentrator, which used IAS for user authentication.We dropped the leases for those pools down to 3 hours.

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